Schoenus rigens

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Family Cyperaceae

Taxonomy: Schoenus rigens S.T.Blake

Synonyms: 3 (APC 2026-07-30)

Chaetospora distans F.Muell. (nomenclatural synonym)
Schoenus calostachyus var. distans (F.Muell.) Benth. (nomenclatural synonym)
Schoenus distans (F.Muell.) F.Muell. (nomenclatural synonym)

Misapplied names: 1 (APC 2026-07-30)

Schoenus calostachyus (R.Br.) Poir. (misapplied)

Distribution (APC): WA

Profiles: APC, Flora of Australia, ALA, iNaturalist, Florabase, ATRP

Traits

Top source datasets: Detombeur_2025 (55), Sjostrom_2006 (4), Tsakalos_2020 (17), Tsakalos_2022 (3), WAH_1998 (1), WAH_2022_2 (3), WAH_2023_2 (2), Wenk_2022 (2), Wenk_2023 (1), Wheeler_2002 (10). See below for a full list of sources.
Summary: AusTraits contains 39 traits from 98 records in 10 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

fire response

resprouting_capacity (categorical): resprouts (1) [sources: Tsakalos_2020]

flower morphology

sex_type (categorical): hermaphrodite (1) [sources: Sjostrom_2006]

fruit morphology

fruit_type (categorical): nut (1) [sources: Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Sjostrom_2006; Tsakalos_2020]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_length (numerical): 175 mm (100-250 mm) [sources: Wheeler_2002]
leaf_width (numerical): 1 mm (1-1 mm) [sources: Wheeler_2002]
leaf_mass_per_area (numerical): 237.05 g/m2 (192.58-294 g/m2) [sources: Detombeur_2025]
leaf_dry_matter_content (numerical): 0.43 g/g (0.41-0.46 g/g) [sources: Detombeur_2025]
leaf_shape (categorical): linear (1) [sources: Wheeler_2002]
leaf_margin (categorical): entire (1) [sources: Tsakalos_2020]
leaf_lobation (categorical): unlobed (1) [sources: Wheeler_2002]
leaf_compoundness (categorical): simple (2) [sources: Tsakalos_2020; Wheeler_2002]
leaf_glaucousness (categorical): not_glaucous (2) [sources: Tsakalos_2020]
leaf_hairs_adult_leaves (categorical): glabrous (1) [sources: Tsakalos_2020]
plant_photosynthetic_organ (categorical): leaf (2) [sources: Detombeur_2025; Tsakalos_2020]

life history

photosynthetic_pathway (categorical): c3 (1) [sources: Tsakalos_2020]
plant_growth_form (categorical): graminoid (2); herb (2) [sources: WAH_2022_2; Wenk_2022; Wheeler_2002]
life_history (categorical): perennial (4) [sources: Tsakalos_2020; WAH_2022_2; Wenk_2023; Wheeler_2002]
woodiness_detailed (categorical): herbaceous (3) [sources: Tsakalos_2020; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): decumbent (1); erect (1) [sources: Tsakalos_2020]
parasitic (categorical): not_parasitic (1) [sources: Tsakalos_2020]
flowering_time (categorical): nnyyyyyyynnn (1); nyyyyyynnnnn (1) [sources: Tsakalos_2020; WAH_1998]
vegetative_reproduction_ability (categorical): vegetative (1) [sources: Tsakalos_2022]
clonal_spread_mechanism (categorical): rhizome (1) [sources: Tsakalos_2022]
bud_bank_location (categorical): rhizome_non_woody (1) [sources: Tsakalos_2022]

nutrient and stable isotope

leaf_N_per_dry_mass (numerical): 10.6 mg/g (7.74-14.68 mg/g) [sources: Detombeur_2025]
leaf_P_per_dry_mass (numerical): 0.34 mg/g (0.28-0.4 mg/g) [sources: Detombeur_2025]
leaf_delta13C (numerical): -30.01 {delta}[ppth] (-30.33--29.61 {delta}[ppth]) [sources: Detombeur_2025]

whole plant morphology

plant_height (numerical): 0.5 m (0.2-0.6 m) [sources: WAH_2023_2; Wheeler_2002]
plant_physical_defence_structures (categorical): absent (1) [sources: Tsakalos_2020]

Sources

dataset_id	n_traits	n_records	reference
Detombeur_2025	13	55	F. D. Tombeur, L. Plouzeau, J. Shaw, M. J. Hodson, K. Ranathunge, J. Kotula, P. E. Hayes, M. Tremblay, S. Coq, M. Stein, R. Nakamura, I. J. Wright, H. Lambers, C. Violle, and P. L. Clode. “Anatomical and Trait Analyses Reveal a Silicon-Carbon Trade-Off in the Epidermis of Sedges”. Plant, Cell & Environment 48.3 (2024), pp. 2396-2410. ISSN: 1365-3040. doi: 10.1111/pce.15307.
Tsakalos_2020	16	17	J. L. Tsakalos, M. Renton, F. Riviera, E. J. Veneklaas, M. P. Dobrowolski, and L. Mucina. “Trait-based formal definition of plant functional types and functional communities in the multi-species and multi-traits context”. Ecological Complexity 40 (2019), p. 100787. doi: 10.1016/j.ecocom.2019.100787.
Wheeler_2002	8	10	J. R. Wheeler, N. G. Marchant, and M. Lewington. Flora of the south west: Bunbury, Augusta, Denmark. Australian Biological Resources Study ; University of Western Australia Press, 2002. ISBN: 9780642568168.
Sjostrom_2006	4	4	A. Sjöström and C. L. Gross. “Life-history characters and phylogeny are correlated with extinction risk in the Australian angiosperms”. Journal of Biogeography 33.2 (2006), pp. 271-290. doi: 10.1111/j.1365-2699.2005.01393.x.
Tsakalos_2022	3	3	J. L. Tsakalos, G. Ottaviani, S. Chelli, A. Rea, S. Elder, M. P. Dobrowolski, and L. Mucina. “Plant clonality in a soil-impoverished open ecosystem: insights from southwest Australian shrublands”. Annals of Botany 130.7 (2022), pp. 981-990. doi: 10.1093/aob/mcac131.
WAH_2022_2	3	3	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
WAH_2023_2	1	2	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.